Examine source code of Sentinel Shield

{
  "manifest_version": 3,
  "name": "Cookie Security Extension",
  "description": "Enhance security of cookies and prevent hijacking.",
  "version": "1.0",
  "action": {
    "default_popup": "index.html",
    "default_icon": "cookie.png"
  },
  "permissions": [
    "cookies",
    "storage"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "page": "background.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cookie-security@sumzip.co.in"
    }
  }
}